diff --git a/README.md b/README.md
index 0b31c77..ed9bdf9 100644
--- a/README.md
+++ b/README.md
@@ -176,7 +176,7 @@ end
 Model.parse %w(--goodbye) # raises "Goodbye, world!"
 ```
 
-### Required Options
+### Required Arguments and Options
 
 ```crystal
 class Profile < Optarg::Model
@@ -190,6 +190,18 @@ end
 Birthday.parse %w() # raises a Required exception.
 ```
 
+```crystal
+class Compile < Optarg::Model
+  arg "source_file", required: true
+
+  def run
+    Compiler.compile options.source_file
+  end
+end
+
+Compile.parse %w() # raises a Required exception.
+```
+
 ### Minimum Length of Array
 
 ```crystal
@@ -234,6 +246,9 @@ and see [Features](#features).
 
 ## Release Notes
 
+* v0.1.14
+  * Required Arguments and Options
+  * Minimum Length of Array
 * v0.1.13
   * Accessible Argument
 * v0.1.12
diff --git a/shard.yml b/shard.yml
index 5a90af6..c546328 100644
--- a/shard.yml
+++ b/shard.yml
@@ -1,5 +1,5 @@
 name: optarg
-version: 0.1.13
+version: 0.1.14
 
 authors:
   - mosop
diff --git a/src/optarg/version.cr b/src/optarg/version.cr
index 002e719..434a1d6 100644
--- a/src/optarg/version.cr
+++ b/src/optarg/version.cr
@@ -1,3 +1,3 @@
 module Optarg
-  VERSION = "0.1.13"
+  VERSION = "0.1.14"
 end